#include<iostream>

using namespace std;

int main()
{
    int a[2][3] = {1,2,3,4,5,6};
    cout << "zhan yong kong jian :" << sizeof(a) << endl;
    cout << "di yi hang zhan yong kong jian :" << sizeof(a[0]) << endl;
    cout << "hang shu " << sizeof(a) / sizeof(a[0]) << endl;
    cout << "lie shu " << sizeof(a[0]) / sizeof(a[0][0]) << endl;
    
    return 0;
    
}